How far is Helena, MT, from Erie, PA?
The distance between Erie (Erie International Airport) and Helena (Helena Regional Airport) is 1595 miles / 2567 kilometers / 1386 nautical miles.
The driving distance from Erie (ERI) to Helena (HLN) is 1905 miles / 3065 kilometers, and travel time by car is about 34 hours 28 minutes.
Erie International Airport – Helena Regional Airport
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Distance from Erie to Helena
There are several ways to calculate the distance from Erie to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1595.256 miles
- 2567.316 kilometers
- 1386.240 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1591.079 miles
- 2560.593 kilometers
- 1382.610 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Erie to Helena?
The estimated flight time from Erie International Airport to Helena Regional Airport is 3 hours and 31 minutes.
What is the time difference between Erie and Helena?
The time difference between Erie and Helena is 2 hours. Helena is 2 hours behind Erie.
Flight carbon footprint between Erie International Airport (ERI) and Helena Regional Airport (HLN)
On average, flying from Erie to Helena generates about 186 kg of CO2 per passenger, and 186 kilograms equals 409 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Erie to Helena
See the map of the shortest flight path between Erie International Airport (ERI) and Helena Regional Airport (HLN).
Airport information
| Origin | Erie International Airport |
|---|---|
| City: | Erie, PA |
| Country: | United States  |
| IATA Code: | ERI |
| ICAO Code: | KERI |
| Coordinates: | 42°4′55″N, 80°10′34″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |